Search a number
-
+
1202201220210 = 235232960080021
BaseRepresentation
bin10001011111101000110…
…001101101010001110010
311020221002110200200102220
4101133220301231101302
5124144102003021320
62320141132221510
7152566444523454
oct21375061552162
94227073620386
101202201220210
1142393a27a451
12174bb290a896
13894a0655883
1442288a022d4
1521413098e40
hex117e8c6d472

1202201220210 has 64 divisors (see below), whose sum is σ = 3114548340480. Its totient is φ = 296074338560.

The previous prime is 1202201220191. The next prime is 1202201220211. The reversal of 1202201220210 is 120221022021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1202201220210.

It is not an unprimeable number, because it can be changed into a prime (1202201220211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30020001 + ... + 30060020.

It is an arithmetic number, because the mean of its divisors is an integer number (48664817820).

Almost surely, 21202201220210 is an apocalyptic number.

1202201220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202201220210 is an abundant number, since it is smaller than the sum of its proper divisors (1912347120270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202201220210 is a wasteful number, since it uses less digits than its factorization.

1202201220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60080083.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1202201220210 its reverse (120221022021), we get a palindrome (1322422242231).

The spelling of 1202201220210 in words is "one trillion, two hundred two billion, two hundred one million, two hundred twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 23 29 30 46 58 69 87 115 138 145 174 230 290 345 435 667 690 870 1334 2001 3335 4002 6670 10005 20010 60080021 120160042 180240063 300400105 360480126 600800210 901200315 1381840483 1742320609 1802400630 2763680966 3484641218 4145521449 5226961827 6909202415 8291042898 8711603045 10453923654 13818404830 17423206090 20727607245 26134809135 40073374007 41455214490 52269618270 80146748014 120220122021 200366870035 240440244042 400733740070 601100610105 1202201220210